placement

type Bucket struct {
	SegmentCount   int
	ClassExemplars []string
}

type Histogram struct {
	// pieceCount -> {number of segments, exemplars}
	Buckets []*Bucket
	// pieceCount * -1 -> {number of segments, exemplars}
	NegativeBuckets []*Bucket
}

type List struct {
	PlacementConfig string   `usage:"location of the placement file"`
	Placement       int      `usage:"placement to use"`
	Attributes      []string `` /* 133-byte string literal not displayed */
	Filter          string   `usage:"additional display only node filter"`
}

type NamedNodeAttribute struct {
	Name      string
	Attribute nodeselection.NodeAttribute
}

type Nodes struct {
	Selector         string
	Filter           string
	PlacementConfig  string
	Placement        int
	OnlineWindow     time.Duration `default:"4h"`
	MinimumDiskSpace memory.Size   `default:"500GB"`
}

type Placement struct {
	Select   Select   `cmd:"" help:"select given number of nodes from DB, matching the placement rule"`
	Nodes    Nodes    `cmd:"" help:"load the upload cache and print out statistics"`
	List     List     `cmd:"" help:"list nodes available for selection"`
	Simulate Simulate `cmd:"" help:"selection simulation with histogram"`
}

type Select struct {
	PlacementConfig string
	Placement       int
	NodeNo          int    `default:"110"`
	Selector        string `default:"wallet"`
	Number          int    `default:"1"`
	Durability      string `usage:"node attribute to calculate the durability risk for"`
}

type Simulate struct {
	Selector string
	Filter   string
	NodeNo   int `default:"110"`
	Number   int `default:"1"`
}